On Monday, Donald Trump issued some rambling, tortured claims. He bent over backwards to reassure people about Robert F. Kennedy Jr. and vouched for the polio vaccine—while bizarrely clarifying that he sees “problems” with vaccines and even opposes vaccine mandates in schools. We think this reveals a surprising political vulnerability. Trump knows RFK’s extreme views are a problem, but also seems aware that being supportive of vaccine mandates might alienate some constituencies in his base. We talked to Anne Shoup, a senior adviser for the Democratic-allied group Protect Our Care, which is running ads against RFK, about whether stopping him is really possible and what more Dems should do to oppose Trump’s nominees.  Learn more about your ad choices. Visit megaphone.fm/adchoices